-72=-4(4b-2)

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Solution for -72=-4(4b-2) equation: 



-72=-4(4b-2)

We move all terms to the left:

-72-(-4(4b-2))=0



We calculate terms in parentheses: -(-4(4b-2)), so:

-4(4b-2)

We multiply parentheses

-16b+8

Back to the equation:

-(-16b+8)



We get rid of parentheses

16b-8-72=0

We add all the numbers together, and all the variables

16b-80=0

We move all terms containing b to the left, all other terms to the right

16b=80

b=80/16

b=5

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